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Annotation of coherent/f/usr/include/common/__time.h, revision 1.1

1.1     ! root        1: #ifndef        __COMMON___TIME_H__
        !             2: #define        __COMMON___TIME_H__
        !             3: 
        !             4: /*
        !             5:  * This internal header file is intended as the sole point of definition for
        !             6:  * the internal data type "__time_t", exactly equivalent to the ISO C data
        !             7:  * type "time_t" but given an internal name so that header files may refer
        !             8:  * to the type without exporting the user-level type unnecessarily.
        !             9:  *
        !            10:  * The System V ABI and the iBCS2 specification set define "time_t" as a long.
        !            11:  * A POSIX.1 system is permitted to use "unsigned long" to extend the range of
        !            12:  * time values since the POSIX.1 epoch, since conforming applications should
        !            13:  * be using ((time_t) -1) to detect errors.
        !            14:  *
        !            15:  * For now, we resolve this conflict by use of the _POSIX_SOURCE feature-test
        !            16:  * macro. If _POSIX_SOURCE is defined, then we use the "unsigned long" form as
        !            17:  * the client has contracted us in a POSIX guise.
        !            18:  */
        !            19: 
        !            20: #if    _POSIX_SOURCE
        !            21: 
        !            22: typedef        unsigned long   __time_t;
        !            23: 
        !            24: #else
        !            25: 
        !            26: typedef        long            __time_t;
        !            27: 
        !            28: #endif
        !            29: 
        !            30: 
        !            31: #endif /* ! defined (__COMMON___TIME_H__) */

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